Prince William steals the show in sailor's outfit at Prince Andrew and Sarah Ferguson's 1986 wedding

Stop the cuteness!

Prince George will follow in his dad's footsteps when he walks down the aisle as a page boy at Aunt Pippa Middleton's wedding in just a few weeks.

A 4-year-old Prince William took on the same role when his uncle, Prince Andrew, tied the knot with Sarah Ferguson in 1986. William looked way too adorable in his sailor's outfit with a matching hat complete with a chin strap!

Of course, the young prince's ability to pay attention was non-existent as he had trouble getting through the 45-minute event. He made several silly faces, got squirmy and even yawned in boredom (or maybe because it was nap time) at one point.

16 PHOTOS
Prince William is the cutest sailor at Prince Andrew's wedding
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Prince William is the cutest sailor at Prince Andrew's wedding
LONDON, UNITED KINGDOM - JULY 23: Prince William (R) sits in Westmister Abbey for the wedding of Prince Andrew, Duke of York to Sarah Ferguson, Duchess of York on July 23, 1986 in London, England. (Photo by Anwar Hussein/Getty Images)
LONDON - JULY 23: Queen Elizabeth II surrounded by family and friends bid farewell to the Duke and Duchess of York as they set off on honeymoon after their wedding on July 23rd 1986.(Photo by Anwar Hussein/Getty Images)
LONDON, UNITED KINGDOM - JULY 23: The Wedding Of Prince Andrew And Sarah Ferguson (the Duke And Duchess Of York). Peter Phillips Is Second From The Left And His Sister Zara, Who Was A Bridesmaid, Is In Front Of The Duchess. Susan Barrantes (the Duchess's Mother) Is Dressed In Yellow. The Queen Mother, Prince Edward And Prince William Are On The Far Right Of The Picture. (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - JULY 23: Prince William, Dressed As A Pageboy, Playing With Lady Davina Windsor In The Grounds Of Buckingham Palace Following The Wedding Of Sarah Ferguson And Prince Andrew. (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - JULY 23: Queen Elizabeth II With Her Arm Around Her Grandson, Prince William, As With Other Members Of The Royal Family And Household Staff In The Forecourt Of Buckingham Palace They Watch The Duke And Duchess Of York Leave For Their Honeymoon. (Photo by Tim Graham/Getty Images)
LONDON, UNITED KINGDOM - JULY 23: The Queen (holding Prince William) With Members Of Her Family And Household At Buckingham Palace After The Duchess Of York's Wedding. (Photo by Tim Graham/Getty Images)
The bridal attendants leaving Westminster Abbey after the wedding of Prince Andrew to Sarah Ferguson. They include sailor suited Prince William, right foreground, and Master Seamus Makim (behind William), the nephew of Sarah Ferguson.
A thoughtful Prince William, with bridesmaid Laura Fellowes, at Westminster Abbey for the marriage of Sarah Ferguson to his uncle Prince Andrew.
The newly created Duke of York with his bride, the Duchess of York, traverse the royal blue carpet in Westminster Abbey after their marriage and their subsequent drive back to Buckingham Palace. They are followed by their attendants, who include sailor suited Prince William, right, Master Seamus Makim (behind William) and Master Peter Phillips, right rear, followed by the bridegroom's brother Prince Edward.
Six year-old Laura Fellowes (left) points at her three year-old cousin Prince William, son of the Prince and Princess of Wales, during the wedding ceremony of Sarah Ferguson and the Duke of York at Westminster Abbey. They each hold an Order of Service sheet.
Six year-old Laura Fellowes (left) shows her three year-old cousin Prince William, son of the Prince and Princess of Wales, an entry in the Order of Service sheet during the wedding ceremony of Miss Sarah Ferguson and the Duke of York at Westminster Abbey.
A yawn from Prince William, the 3 year-old son of the Prince and Princess of Wales, during the wedding ceremony of Sarah Ferguson and the Duke of York at Westminster Abbey. Seated next to the young Prince is his cousin, 6 year-old Laura Fellowes.
The newlywed Duke and Duchess of York, with (b. row-L) Prince Edward. Children; Alice Ferguson, Lady Posanagh Innes-Ker. Seated children l-r: Andrew Ferguson, Seamus Makim, Peter Phillips, Prince William and Laura Fellowes. (Foreground) Zara Phillips.
A yawn from Prince William, the 3 year-old son of the Prince and Princess of Wales, during the wedding ceremony of Sarah Ferguson and the Duke of York at Westminster Abbey. Seated next to the young Prince is his cousin, 6 year-old Laura Fellowes.
After waving off today's Royal honeymooners, relatives, friends, and Buckingham Palace staff members return to the palace. Among them is Prince Harry on the shoulders of the Prince of Wales and the Princess of Wales carrying Prince William, who was one of the bridal attendants.
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His cousins Peter and Zara Phillips (now Tindall), as well as Laura Fellowes, the daughter of Princess Diana's sister Jane Fellowes, were also part of the wedding party.

After sitting through the ceremony on his best behavior, the little tyke got the best reward ever! William went on a carriage ride through London (where he showed off his best royal wave) and spent the afternoon running around Buckingham Palace.

At the end of the day, the young prince took pictures with his family. He got the special honor of being next to his grandma, ultimately answering who Queen Elizabeth's favorite grandchild is ...

Check out photos of a young Prince William's fun day in the slideshow above!

RELATED: Prince William's style transformation:

40 PHOTOS
Prince William Style Transformation
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Prince William Style Transformation
February 1983
Diana, Princess of Wales, holding an infant Prince William.
February 1983
He was a very expressive baby! Check out those two little chompers in the front.
December 1983
Always keep your ABC's close on hand, we say.
June 1984
William was too cute for words in these bright blue overalls.
May 1985

Just a kid, hangin' at Kensington Palace...

July 1986
William with his pony named "Smokey" at home, wearing a sweet Mickey Mouse sweatshirt.
January 1987
Ready for school, mom! William heads off to Wetherby School in London, dressed in his head-to-toe uniform.
June 1987
William's shorts match the bright red strawberries he carries, looking delighted at a polo match.
December 1988
Elegance starts at a very young age: William attends a Christmas service in a tie and peacoat.
July 1989
William looks on during Carter International Polo Day, starting to look grown up!
October 1991
William wears a Canadian tuxedo, denim from head to toe while visiting Toronto.
August 1995
William smiles at the camera, watching the Parade of Veterans in London.
June 1996
The Prince wearing his Eton school uniform at a tea party for the students.
August 1997
Prince William relaxing on the banks of the River Dee, dressed in casual jeans, boat shoes and a plaid shirt.
July 1999
William steps out of a Ford Focus wearing jeans and a sweater.
September 2000
William relaxes at Highgrove with his father, Prince Charles.
December 2000
Wills rocks a pair of wellies while repairing walkways in Southern Chile.
September 2001
William arrives for his first day at St. Andrews University in Scotland.
May 2003
William puts models to shame with this photoshoot of him on the beach -- playing rugby in his favorite casual look: a button up, sweater, and jeans.
June 2003
A big sports buff, Polo is one of William's favorite games.
June 2003
Prince William is photographed in St. James Palace, a portrait released for his 21st birthday.
May 2004
William visits a farm nearby his home in Gloucestershire, the Duchy Home Farm, wearing a tweed cap and waxed jacket.
July 2005
William attends a wreath laying ceremony in New Zealand, looking very sharp for the occasion.
June 2006
William is looking quite dapper for the Queen's 80th birthday celebration.
May 2007
William attends the Combined Calvary Parade in Hyde Park, London, wearing a grey suit and bowler hat.
June 2009
Prince William decked out in his uniform during his military helicopter training course at RAF Shawbury.
January 2010
William took an unofficial visit to Australia, watching soldiers fire their weapons in a blue button up and dark slacks.
October 2010
A duo that always looks great (especially at weddings!), then-girlfriend Kate Middleton attends a friend's ceremony alongside William.
November 2010
After dating for 8 years, William and Kate announced their engagement, both dressed sharply in dark blues.
April 2011
It was a wedding for the ages, and photos of this day -- and what they were wearing -- are timeless images of a royal love story.
July 2011
Quite the change! The pair wear cowboy boots and hats for a visit to the Calgary Stampede in Canada.
July 2011
The Duke and Duchess attended the BAFTA Awards, dressed to the nines.
July 2012
Dressed much more casually (but still perfectly put together) the duo visited Bacon's College with Prince Harry.
December 2012
Baby news! Kate's morning sickness at the beginning of pregnancy forced the couple to reveal to the world quite early that they were expecting.  The pair glowed in matching blues as she headed home from the hospital.
June 2013
Ahh, Princely duties. Just weeks before his first baby arrives, Wills attends the Order of the Garter Service, complete with traditional garb and large feathers.
May 2016

Prince William looks dashing at The Audi Polo Challenge.

(Photo by Mark Cuthbert/UK Press via Getty Images)

June 2016

William and his family attend the Trooping the Colour ceremony with the rest of the royal family.

(Photo by Max Mumby/Indigo/Getty Images)

June 2016

Prince William gets all dolled up for the annual Order of The Garter Service at St George's Chapel.

(Photo by Peter Nicholls/WPA Pool/Getty Images)

June 2016

Hats, please! Duchess Kate and Prince William attend day 2 of Royal Ascot.

(Photo by Mark Cuthbert/UK Press via Getty Images)

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